S6, E7: After 58-year-old Martin Byerly disappears without a trace in Jasper, Texas, police investigate his ex-girlfriends but draw a blank, then an unlikely tipster offers up new information.


S6, E7: After 58-year-old Martin Byerly disappears without a trace in Jasper, Texas, police investigate his ex-girlfriends but draw a blank, then an unlikely tipster offers up new information.